/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #000000;
    --white: #ffffff;
    --gray: #808080;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    scroll-behavior: smooth;
    width: 100%;
    overflow-x: hidden;
}

body {
    background: var(--black);
    color: var(--white);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    width: 100%;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

#ascii-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    z-index: 0;
    opacity: 0.8;
    display: block;
    pointer-events: all;
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.title {
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.title .line {
    display: block;
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.title .line:nth-child(1) {
    animation-delay: 0.2s;
}

.title .line:nth-child(2) {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-style: italic;
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid var(--white);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 0;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
}

.btn-primary::before {
    background: var(--black);
}

.btn-primary:hover {
    color: var(--white);
}

.btn-secondary {
    background: var(--black);
    color: var(--white);
}

.btn-secondary::before {
    background: var(--white);
}

.btn-secondary:hover {
    color: var(--black);
}

.arrow {
    transition: transform 0.3s ease;
}

.btn:hover .arrow {
    transform: translateX(5px);
}

/* Section Titles */
.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-lg);
}

/* Comparison Section */
.comparison {
    background: linear-gradient(180deg, var(--black) 0%, #0a0a0a 100%);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.comparison-card {
    border: 2px solid rgba(255,255,255,0.2);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.comparison-card:hover {
    border-color: var(--white);
    transform: translateY(-5px);
}

.comparison-card.old {
    background: linear-gradient(135deg, rgba(255,0,0,0.05) 0%, transparent 100%);
}

.comparison-card.new {
    background: linear-gradient(135deg, rgba(0,255,0,0.05) 0%, transparent 100%);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.icon {
    font-size: 2rem;
}

.card-header h3 {
    font-size: 1.5rem;
}

.flow {
    margin-bottom: var(--spacing-md);
}

.step {
    padding: var(--spacing-sm);
    border: 1px solid rgba(255,255,255,0.2);
    margin-bottom: var(--spacing-xs);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.step.infinite {
    animation: pulse 2s ease-in-out infinite;
}

.step.compound {
    animation: glow 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes glow {
    0%, 100% {
        border-color: rgba(255,255,255,0.2);
    }
    50% {
        border-color: rgba(255,255,255,1);
        box-shadow: 0 0 20px rgba(255,255,255,0.3);
    }
}

.arrow {
    text-align: center;
    opacity: 0.5;
    font-size: 1.2rem;
}

.problems, .benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.problem, .benefit {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
    border-left: 2px solid rgba(255,255,255,0.3);
    opacity: 0.8;
}

/* Architecture Section */
.architecture {
    background: var(--black);
}

.pipeline {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
    padding: var(--spacing-md) 0;
}

.pipeline-step {
    flex: 0 0 auto;
    min-width: 200px;
    max-width: 250px;
    border: 2px solid rgba(255,255,255,0.2);
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.pipeline-step:hover {
    border-color: var(--white);
    transform: scale(1.05);
}

.step-number {
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.2;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    font-size: 0.95rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-sm);
}

.code-snippet, .metric {
    font-family: 'Courier New', monospace;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 0.85rem;
    background: rgba(255,255,255,0.03);
}

.pipeline-arrow {
    opacity: 0.5;
    display: flex;
    align-items: center;
}

.architecture-diagram {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 1px solid rgba(255,255,255,0.1);
}

.flow-diagram {
    width: 100%;
    height: auto;
}

/* Benchmarks Section */
.benchmarks {
    background: linear-gradient(180deg, #0a0a0a 0%, var(--black) 100%);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.metric-card {
    border: 2px solid rgba(255,255,255,0.2);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
}

.metric-card:hover {
    border-color: var(--white);
    transform: translateY(-10px);
}

.metric-card.highlight {
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 100%);
}

.metric-change {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.metric-label {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
}

.metric-detail {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    opacity: 0.6;
}

.cost-comparison {
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-lg);
    border: 2px solid rgba(255,255,255,0.2);
}

.cost-comparison h3 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.comparison-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.bar-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.bar-label {
    min-width: 150px;
    font-size: 0.9rem;
}

.bar {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 var(--spacing-sm);
    border: 2px solid var(--white);
    transition: width 1s ease;
}

.old-bar {
    background: linear-gradient(90deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
}

.new-bar {
    background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 100%);
}

.bar-value {
    font-weight: 600;
    white-space: nowrap;
}

.savings-note {
    text-align: center;
    font-style: italic;
    opacity: 0.7;
    margin-top: var(--spacing-md);
}

/* CTA Section */
.cta {
    background: var(--black);
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: 1.2rem;
    opacity: 0.7;
    margin-bottom: var(--spacing-lg);
}

.features-list {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.feature:last-child {
    border-bottom: none;
}

.check {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.btn.large {
    font-size: 1.3rem;
    padding: 1.25rem 2.5rem;
}

.install-command {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.02);
}

.install-command code {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    color: var(--white);
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer p {
    opacity: 0.7;
    margin-bottom: var(--spacing-xs);
}

.footer .tagline {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.separator {
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
    .pipeline {
        justify-content: flex-start;
    }

    .pipeline-step {
        min-width: 180px;
    }

    .pipeline-arrow {
        flex-shrink: 0;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    .bar-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .bar {
        width: 100% !important;
    }

    .ascii-art pre {
        font-size: 0.6rem;
    }
}

/* Scroll animations */
@media (prefers-reduced-motion: no-preference) {
    .pipeline-step,
    .metric-card,
    .comparison-card {
        opacity: 0;
        transform: translateY(30px);
        animation: fadeInUp 0.8s ease-out forwards;
        animation-play-state: paused;
    }

    .pipeline-step.visible,
    .metric-card.visible,
    .comparison-card.visible {
        animation-play-state: running;
    }

    .pipeline-step:nth-child(1) { animation-delay: 0.1s; }
    .pipeline-step:nth-child(2) { animation-delay: 0.2s; }
    .pipeline-step:nth-child(3) { animation-delay: 0.3s; }
    .pipeline-step:nth-child(4) { animation-delay: 0.4s; }

    .metric-card:nth-child(1) { animation-delay: 0.1s; }
    .metric-card:nth-child(2) { animation-delay: 0.2s; }
    .metric-card:nth-child(3) { animation-delay: 0.3s; }
    .metric-card:nth-child(4) { animation-delay: 0.4s; }
}